7098440 has 32 divisors (see below), whose sum is σ = 16346880. Its totient is φ = 2772672.

The previous prime is 7098439. The next prime is 7098463. The reversal of 7098440 is 448907.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7098397 and 7098406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344 + ... + 3783.

It is an arithmetic number, because the mean of its divisors is an integer number (510840).

Almost surely, 2^7098440 is an apocalyptic number.

It is an amenable number.

7098440 is an abundant number, since it is smaller than the sum of its proper divisors (9248440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7098440 is a wasteful number, since it uses less digits than its factorization.

7098440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4181 (or 4177 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 7098440 is about 2664.2897740298. The cubic root of 7098440 is about 192.1856566461.

The spelling of 7098440 in words is "seven million, ninety-eight thousand, four hundred forty".